package springcloud.controller;

import com.chy.springcloud.pojo.Dept;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import springcloud.service.DeptService;

// 提供restful服务
@RestController
public class DeptController {

    @Autowired
    private DeptService deptService;


    @RequestMapping("/dept/get/{id}")
    @HystrixCommand(fallbackMethod = "hystrixGet")
    public Dept get(@PathVariable("id") Long id){
        Dept dept = deptService.queryById(id);
        if (dept == null){
            throw new RuntimeException("id =>"+ id + "不存在该用户，或者信息无法找到");
        }
        return dept;
    }

    // 备选方法
    public Dept hystrixGet(@PathVariable("id") Long id){
        return new Dept()
                .setDeptno(id)
                .setDname("id =>"+ id + "没有对应的信息，null--@Hystrix")
                .setDbSource("no this database in Mysql");
    }
}
